Function hostForUrl

apps/vis/server/src/config.ts:46–49

(host: string)

 *  `http://::1:3001/` is an invalid URL. Already-bracketed literals, IPv4
 *  addresses, and hostnames are returned unchanged. */
export function hostForUrl(host: string): string {
  if (host.includes(':') && !host.startsWith('[')) return `[${host}]`;
  return host;
}

export function resolveVisAuthToken(host: string = resolveHost()): string | undefined {
  const raw = process.env['VIS_AUTH_TOKEN'];